Question

Please help me with this exercises in JAVA, Thank you

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Parking Ticket Simulator Assignment

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For this assignment you will create a set of classes from scratch (no provided class files for this assignment) that work together to simulate a police officer issuing a parking ticket. You should design the following classes / functionality within them:

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ParkedCar.java:

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This class should simulate a parked car. The class's responsibilities are as follows:
- To store the car's make, model, color, license number, and the number of minutes that the car has been parked.

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ParkingMeter.java:

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This class should simulate a parking meter. The class's only responsibility is as follows:
- To know the number of minutes of parking time that has been purchased.

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PoliceOfficer.java:

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This class should simulate a police officer inspecting parked
cars. The class's responsibilities are as follows:
- To know the police officer's name and badge number
- To examine a ParkedCar object and a ParkingMeter object, and determine whether the car's time has expired
- To issue a parking ticket (generate a ParkingTicket object) if the car's time has expired

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ParkingTicket.java:

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This class should simulate a parking ticket - this class will contain a main() method that will set up a scenario to show a ParkingTicket being issued to a ParkedCar.

The class's responsibilities are as follows:
- To report the make, model, color, and license number of the illegally parked car
- To report the amount of the fine, which is $25 for the first hour or part of an hour that the car is illegally parked, plus $10 for every additional hour or part of an hour that the car is illegally parked
- To report the name and badge number of the police officer issuing the ticket

Answer 1

Java Program:

File: ParkedCar.java

/* To store the car's make, model, color, license number, and the number of minutes that the car has been parked */
class ParkedCar
{  
   private String make;
   private String model;
   private String color;
   private String licenseNumber;
   private int numMinutes;
  
   //Constructor
   ParkedCar(String make, String model, String color, String lNum, int numM)
   {
       this.make = make;
       this.model = model;
       this.color = color;
       this.licenseNumber = lNum;
       this.numMinutes = numM;
   }
  
   //Getter method
   public int getMinutesParked()
   {
       return numMinutes;
   }
  
   //Printing Car details
   public String getCarDetails()
   {
       return ("\nMake: " + make + "\nModel: " + model + "\nColor: " + color + "\nLicense Number: " + licenseNumber + "\nNuber of minutes parked: " + numMinutes + "\n");
   }
}

File: ParkingMeter.java

/* To know the number of minutes of parking time that has been purchased */
class ParkingMeter
{
   private int minutesPurchased;
  
   //Constructor
   public ParkingMeter(int m)
   {
       minutesPurchased = m;
   }
  
   //Getter Method
   public int getMinutesPurchased()
   {
       return minutesPurchased;
   }
}

File: PoliceOfficer.java

/*To know the police officer's name and badge number
- To examine a ParkedCar object and a ParkingMeter object, and determine whether the car's time has expired
- To issue a parking ticket (generate a ParkingTicket object) if the car's time has expired */
class PoliceOfficer
{
   private String name;
   private String badge;
  
   //Constructor
   PoliceOfficer(String name, String badge)
   {
       this.name = name;
       this.badge = badge;
   }
  
   //Method that returns the ticket
   public String getPoliceOfficerDetails()
   {
       return ("\nOfficer Name: " + this.name + "\nBadge: " + this.badge + "\n");
   }
  
   //Examine car
   public int examine(ParkedCar pc, ParkingMeter pm)
   {
       if (pc.getMinutesParked() > pm.getMinutesPurchased())
       {
           return (pc.getMinutesParked() - pm.getMinutesPurchased());
       }
       else
       {
           return 0;
       }
   }
}

File: ParkingTicket.java

/* Main class - To report the make, model, color, and license number of the illegally parked car */
class ParkingTicket
{
   public static void main(String[] args)
   {
       //Creating objects
       ParkedCar pc = new ParkedCar("Nexa", "SUV-200", "Blue", "LIC878787", 40);
       ParkingMeter pm = new ParkingMeter(30);
       PoliceOfficer po = new PoliceOfficer("Joe Deck", "B878");
      
       //Examining car
       int excessMinutesParked = po.examine(pc, pm);
       if (excessMinutesParked == 0)
       {
           System.out.println("\n No Fine... \n");
       }
       else
       {
           System.out.println("\n\n Illegally parked car: ");
           System.out.println(pc.getCarDetails());
          
           double excessHours = excessMinutesParked / 60.0;
          
           double fine;
          
           //Checking number of hours
           if (excessHours < 1)
           {
               fine = 25;
              
           }
           else
           {
               fine = 25 + ( (excessHours - 1) * 10 );
           }
           //Printing fine
           System.out.printf("\n\n Fine Amount: $%.2f\n", fine);
          
           System.out.println("\n\n Ticket Issuing Police Officer: ");
           System.out.println(po.getPoliceOfficerDetails());
       }
   }
}

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Sample Run: